At OMB Warehouse, we strive to provide the greatest selection and quality of parts for your outdoor power equipment.Need other parts to complete your project? Check out our huge catalog - we have what you need.This listing is for a set of 2. Please keep in mind that buyer pays return shipping - be sure to order the proper size! Open Cage Roller Bearing & Zerk Fitting. Uses Rotary # 8949 Tire, (2) # 9463 Roller Cage Bearing & # 9613 Spanner Bushing. (Painted Orange)Replaces:SCAG 481551Dimensions:BORE: 5/8"TREAD: RIBTYPE: TUBELESSTIRE SIZE: 13 x 500 - 6TIRE SIZE: 13X500X6PLY: 4CASE QTY: 81